Further study of particulate admixtures for enhanced freeze-thaw resistance of concrete

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AuthorSearch for:
TypeArticle
Journal titleJournal of the American Concrete Institute
ISSN0002-8061
Volume82
Issue5
Pages724730; # of pages: 7
Subjectfreeze thaw cycles; weatherability; concrete admixtures; vermiculite; pumice; perlite; bricks; cement pastes; compressive strength; concretes; freeze-thaw durability; mortars; perlite; porosity; pumice; vermiculite; Admixtures; gel dégel; résistance aux intemperies; adjuvants; vermiculite; ponce; perlite
AbstractInvestigation of a previously developed method of increasing the resistance of concrete to freezing and thawing by the addition of porous particulates of specified pore structure is continued. Vermiculite and two grades of pumice and perlite were tested for suitability as additives, and their performance compared with that of a previously examined brick. Of the mineral tested, vermiculite, one pumice, and one perlite provide excellent resistance to freezing and thawing of cement pastes (water-cement ratios = 0.48 and 0. 42), mortar (water-cement ratio = 0.75), and concrete(water- cement ratio = 0.63).
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
IdentifierIRC-P-1403
NRC number26360
2125
NPARC number20374112
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Record identifierae35b107-f0e0-415c-b6cb-53005251855d
Record created2012-07-23
Record modified2016-05-09
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